Some minor fixes/improvements

Author: Ayuto

src/core/modules/engines/engines.h

@@ -166,7 +166,7 @@ class IEngineTraceExt
 				entities.append(ptr(ppEntities[i]));
 			}
 		}
-		delete ppEntities;
+		delete [] ppEntities;
 		return make_tuple(iMask, entities);
 	}
 

src/core/modules/engines/engines_server.cpp

@@ -68,7 +68,7 @@ void prepare_command(tuple args, dict kwargs, ConCommand** pCommandOut, std::str
 
 	*pCommandOut = pCommand;
 
-	*szCommandOut = "";
+	szCommandOut->clear();
 	for(int i=0; i < len(args); ++i)
 	{
 		const char* temp = extract<const char*>(str(args[i]));

src/core/modules/engines/orangebox/engines.h

@@ -46,7 +46,7 @@ class GameIVEngineServerExt
 		char* szMapName = new char[iLength];
 		V_snprintf(szMapName, iLength, "maps/%s.bsp", map_name);
 		bool result = pServer->IsMapValid(szMapName);
-		delete szMapName;
+		delete [] szMapName;
 		return result;
 	}
 

src/loader/loader_main.cpp

@@ -68,6 +68,7 @@ CSourcePython::CSourcePython()
 {
 	m_iClientCommandIndex = 0;
 	m_pCore = NULL;
+	m_pCorePlugin = NULL;
 }
 
 CSourcePython::~CSourcePython()